Hastelloy

Hastelloy is a group of nickel-based superalloys known for their exceptional corrosion resistance and high-temperature strength. These alloys are designed to resist a wide range of aggressive chemical environments, making them particularly valuable in corrosive and high-temperature applications. Hastelloy alloys are widely used in industries such as chemical processing, petrochemical, aerospace, and pollution control.

Hastelloy alloys are primarily composed of nickel, with significant additions of chromium, molybdenum, and other elements such as tungsten, cobalt, and iron. The specific composition of each alloy varies, resulting in various grades within the Hastelloy family, each with distinct properties suited for specific applications.

Key features of Hastelloy alloys include:

1. Corrosion Resistance: Hastelloy alloys exhibit outstanding resistance to corrosion, including pitting, crevice corrosion, and stress corrosion cracking. They are particularly resistant to a wide range of acids, alkalis, and other aggressive chemical media.

2. High-Temperature Strength: Hastelloy alloys retain their strength and integrity at elevated temperatures, making them suitable for high-temperature applications such as gas turbines, heat exchangers, and furnace components.

3. Excellent Fabricability: Hastelloy alloys are ductile and can be easily fabricated into various shapes, making them suitable for complex designs and intricate components.

4. Low Magnetic Permeability: Hastelloy alloys are generally non-magnetic, which is advantageous in applications where magnetic interference needs to be minimized.

5. Wide Range of Grades: The Hastelloy family includes various grades, such as Hastelloy C276, Hastelloy C22, Hastelloy X, and others, each tailored for specific environments and requirements.